decadent vs indulgent

decadent is a noun but indulgent is not a noun.

Word	Noun	Adjective	Verb	Adverb
decadent	Yes	Yes	No	No
indulgent	No	Yes	No	No

decadent (noun)	indulgent (noun)
a person who has fallen into a decadent state (morally or artistically)

decadent (adjective)	indulgent (adjective)
marked by excessive self-indulgence and moral decay	characterized by or given to yielding to the wishes of someone
luxuriously self-indulgent	being favorably inclined
	tolerant or lenient